Intro JVM Print GCApplication Stopped Time

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Intro JVM PrintGCApplicationStoppedTime

這篇介紹JVM PrintGCApplicationStoppedTime。

Java8

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加入-XX:+PrintGCApplicationStoppedTime後，在gc.log會印出類似下方的資訊
Total time for which application threads were stopped: 0.0040837 seconds, Stopping threads took: 0.0006238 seconds
這個stopped時間是JVM裡所有Stop-the-world的時間，包含GC Time + Thread Stopped Time。